<template>
  <div>
    <!-- 面包屑导航 -->
    <tab-control :title="['首页','权限管理','角色列表']"></tab-control>

    <!-- 卡片视图 -->
    <el-card>
      <el-row>
        <el-col>
          <el-button type="primary">添加角色</el-button>
        </el-col>
      </el-row>

      <el-table :data="roleList" border stripe>
        <el-table-column type="expand">
          <template slot-scope="scope">
            <el-row
              :class="['bdbottom', i1 === 0 ? 'bdtop' : '', 'vcenter']"
              v-for="(item, i1) in scope.row.children"
              :key="item.id"
            >
              <!-- 一级权限 -->
              <el-col :span="5">
                <el-tag closable @close="removeRightById(scope.row, item.id)">{{
                  item.authName
                }}</el-tag>
                <i class="el-icon-caret-right"></i>
              </el-col>
              <!-- 二级权限 -->
              <el-col :span="19">
                <el-row
                  :class="[i2 === 0 ? '' : 'bdtop', 'vcenter']"
                  v-for="(item1, i2) in item.children"
                  :key="item1.id"
                >
                  <el-col :span="6">
                    <el-tag
                      type="success"
                      closable
                      @close="removeRightById(scope.row, item1.id)"
                      >{{ item1.authName }}</el-tag
                    >
                    <i class="el-icon-caret-right"></i>
                  </el-col>
                  <!-- 三级权限 -->
                  <el-col :span="18">
                    <el-tag
                      type="warning"
                      v-for="item2 in item1.children"
                      :key="item2.id"
                      closable
                      @close="removeRightById(scope.row, item2.id)"
                      >{{ item2.authName }}</el-tag
                    >
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
          </template>
        </el-table-column>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="角色名称" prop="roleName"></el-table-column>
        <el-table-column label="角色描述" prop="roleDesc"></el-table-column>
        <el-table-column label="操作" width="300px">
          <template v-slot="scope">
            <el-button size="mini" type="primary" icon="el-icon-edit"
              >编辑</el-button
            >
            <el-button size="mini" type="danger" icon="el-icon-delete"
              >删除</el-button
            >
            <el-button
              size="mini"
              type="warning"
              icon="el-icon-setting"
              @click="showRightDialog(scope.row)"
              >分配权限</el-button
            >
          </template>
        </el-table-column>
      </el-table>
    </el-card>

    <el-dialog
      title="分配权限"
      :visible.sync="setRightDialog"
      width="50%"
    >
      <el-tree
        :data="rightsList"
        :props="treeProps"
        show-checkbox
        node-key="id"
        default-expand-all
        :default-checked-keys="defKeys"
        ref="treeRef">
      </el-tree>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRightDialog = false">取 消</el-button>
        <el-button type="primary" @click="allotRights"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>

<script>
import TabControl from '@/components/tabcontrol/TabControl.vue'
import { getRolesList, removeRightById,showRightDialog,allotRights } from "@/api/utils";
export default {
  name: "Roles",
  components:{
    TabControl
  },
  data() {
    return {
      roleList: [],
      setRightDialog:false,
      rightsList:[],
      treeProps:{
        children:'children',
        label:'authName'
      },
      defKeys:[],
      roleId:''
    };
  },
  created() {
    this.getRolesList();
  },
  methods: {
    // 获取列表
    getRolesList() {
      getRolesList().then((res) => {
        // console.log(res);
        if (res.meta.status != 200)
          return this.$message.error("获取用户列表失败!");
        this.roleList = res.data;
      });
    },
    // 删除权限
    removeRightById(role, rightid) {
      // console.log(roleid,rightid);
      this.$confirm("此操作将永久删除该文件, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(() => {
          removeRightById(role, rightid).then((res) => {
            console.log(res);
            if (res.meta.status != 200)
              return this.$message.error("删除权限失败!");
            role.children = res.data;
            this.$message.success("删除权限成功!");
          });
        })
        .catch(() => {
          this.$message.info("已取消删除");
        });
    },
    // 选择权限
    showRightDialog(role) {
      console.log(role);
      this.roleId=role.id
      //获取所有权限
      showRightDialog().then(res=>{
        // console.log(res);
        if(res.meta.status!=200)return this.$message.error("获取权限数据失败!");
        this.rightsList=res.data
        this.setRightDialog=true
        this.defKeys=[]
        this.getdefKeys(role,this.defKeys)
      })
    },
    getdefKeys(node,arr){
      if(!node.children){
        return arr.push(node.id)
      }

      node.children.forEach(item => {
        this.getdefKeys(item,arr)
      });
    },
    //角色授权
    allotRights(){
      const keys=[
        ...this.$refs.treeRef.getCheckedKeys(),
        ...this.$refs.treeRef.getHalfCheckedKeys()
      ]
      const rids=keys.join(',')
      allotRights(this.roleId,rids).then(res=>{
        console.log(res);
        if(res.meta.status!=200) return this.$message.error("分配权限失败!")
        this.$message.success("分配权限成功!")
        this.getRolesList()
        this.setRightDialog=false
      })
    }
  },
};
</script>

<style lang="less" scoped>
.el-tag {
  margin: 7px;
}

.bdtop {
  border-top: 1px solid #eee;
}

.bdbottom {
  border-bottom: 1px solid #eee;
}

.vcenter {
  display: flex;
  align-items: center;
}
</style>